マルチレベルインバータを用いたスイッチング形電力増幅器

• 岩谷 一生

  長岡技術科学大学

• 高橋 勲

  長岡技術科学大学

書誌事項

タイトル別名

• Switching Type Power Amplifier Using Multilevel Inverter
• マルチレベルインバータ オ モチイタ スイッチングケイ デンリョク ゾウフクキ

抄録

This paper presents a 10kW, 200kHz power amplifier using the technology of multilevel inverters. Recently, the amplifier is required to have both high power and high efficiency to replace the class A transistor amplifiers. Its amplifier is composed of two pairs of 5-level inverters with interphase reactors. Different 81 switching patterns are used to output 9-level voltage. So that it is able to give better allowance of control degree. The proposed multilevel inverter has two switching control patterns. At one switching pattern, the sequential control of the switching devices can decrease the switching frequency. At the other switching pattern, the circulating current can be limited without changing the output voltage level. The former switching pattern is activated when the circulating current within the threshold value and the latter switching pattern is activated when the circulating current is out of threshold value. By employing these two control methods, the switching frequency can be reduced by about 1/8 times and the circulating current can be limited by ±1A for 10kW system. This paper also presents the effectiveness of characteristics, THD of output waveforms and the experimental results of output waveforms.

収録刊行物

• 電気学会論文誌Ｄ（産業応用部門誌）

  電気学会論文誌Ｄ（産業応用部門誌） 123 (11), 1339-1344, 2003

  一般社団法人 電気学会

キーワード

• マルチレベルインバータ
• 増幅器
• スイッチング均等化
• 循環電流抑制

詳細情報

• CRID: 1390282679633058560
• NII論文ID: 10012557091
• NII書誌ID: AN10012320
• DOI: 10.1541/ieejias.123.1339
• ISSN: 13488163
• ISSN: 09136339
• NDL書誌ID: 6751085
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I6751085
• Web Site: http://www.jstage.jst.go.jp/article/ieejias/123/11/123_11_1339/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可